Canada will be constructive, innovative at NAFTA negotiations: Champagne

Chrystia Freeland, Canada's minister of foreign affairs, left, speaks with Ildefonso Guajardo Villarreal, Mexico's secretary of economy, before a bilateral meeting in Toronto, Ontario, Canada, on Monday, Jan. 22, 2018. Nafta talks are entering a pivotal moment as the U.S. turns up the pressure on Canada and Mexico to radically alter the trade pact in favour of American interests.Cole Burston/Bloomberg

Multiple sources have told The Canadian Press the Trump administration is frustrated over a variety of issues, including Canada’s recent decision to file a sweeping complaint with the World Trade Organization about U.S. trade practices.